19917641236

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{117331}}^1$

素因数の和:117440

約数の個数: 36

約数和(自身を含む): 36979291776

約数和(自身を除く): 17061650540

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 1147, 1369, 2294, 2738, 4588, 5476, 42439, 84878, 117331, 169756, 234662, 469324, 3637261, 4341247, 7274522, 8682494, 14549044, 17364988, 134578657, 160626139, 269157314, 321252278, 538314628, 642504556, 4979410309, 9958820618, 19917641236]

約数ペア:

[(1, 19917641236), (2, 9958820618), (4, 4979410309), (31, 642504556), (37, 538314628), (62, 321252278), (74, 269157314), (124, 160626139), (148, 134578657), (1147, 17364988), (1369, 14549044), (2294, 8682494), (2738, 7274522), (4588, 4341247), (5476, 3637261), (42439, 469324), (84878, 234662), (117331, 169756)]